PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/06-00:43:10
G01     64.8           31.9                7.0 +/-    1.34      11.8 +/-    1.34  0.050 / 0.040
G07     140.3          26.6               10.0 +/-    2.17      18.9 +/-    2.17  0.030 / 0.040
G11     52.1           29.5                5.8 +/-    1.12      10.3 +/-    1.12  0.050 / 0.060
G13     268.7          36.3                8.3 +/-    1.51      12.8 +/-    1.51  0.040 / 0.080
G15     297.2          16.5                7.7 +/-    1.67      18.4 +/-    1.67  0.030 / 0.030
G17     242.9          71.0                7.7 +/-    0.40       8.1 +/-    0.40  0.030 / 0.030
G19     228.6          46.9                7.6 +/-    2.13       9.9 +/-    2.13  0.070 / 0.100
G28     29.7           57.7                7.3 +/-    1.33       8.4 +/-    1.33  0.110 / 0.110
G30     139.8          52.9                9.3 +/-    0.71      11.4 +/-    0.71  0.080 / 0.100